<?php

defined('WEKIT_VERSION') || exit('Forbidden');



Wind::import('SRV:pay.srv.paymethod.PwPayAbstract');



/**

 * 在线支付 - 财付通支付方式

 *

 * @author Jianmin Chen <sky_hold@163.com>

 * @copyright ©2003-2103 phpwind.com

 * @license http://www.phpwind.com

 * @version $Id: PwTenpay.php 24975 2013-02-27 09:24:54Z jieyin $

 * @package forum

 */



class PwTenpay extends PwPayAbstract {

	

	public $tenpay;

	public $tenpay_url = 'https://www.tenpay.com/cgi-bin/v1.0/pay_gate.cgi?';

	public $tenpay_key;



	public function __construct() {

		parent::__construct();

		$config = Wekit::C('pay');

		$this->tenpay = $config['tenpay'];

		$this->tenpay_key = $config['tenpaykey'];

		$this->baseurl = WindUrlHelper::createUrl('bbs/tenpay/run');

	}



	public function check() {

		if (!$this->tenpay || !$this->tenpay_key) {

			return new PwError('onlinepay.settings.tenpay.error');

		}

		return true;

	}

	

	public function createOrderNo() {

		return $this->tenpay . Pw::time2str(Pw::getTime(), 'YmdHis') . str_pad(mt_rand(1, 9999), 4, "0", STR_PAD_LEFT);

	}



	public function getUrl(PwPayVo $vo) {

		$strTransactionId = $vo->getOrderNo();

		$strBillDate = substr($strTransactionId, 10, 8);

		$strSpBillNo = substr($strTransactionId, -10);



		$param = array(

			'cmdno'				=> '1',

			'date'				=> $strBillDate,

			'bargainor_id'		=> $this->tenpay,

			'transaction_id'	=> $strTransactionId,

			'sp_billno'			=> $strSpBillNo,

			'total_fee'			=> $vo->getFee() * 100,

			'bank_type'			=> 0,

			'fee_type'			=> 1,

			'return_url'		=> $this->baseurl,

			'attach'			=> 'my_magic_string',

			'desc'				=> Pw::convert($vo->getTitle(), 'gbk')

		);

		return $this->_bulidUrl($this->tenpay_url, $this->tenpay_key, $param);

	}



	protected function _bulidUrl($url, $tenpayKey, $param) {

		$arg = '';

		foreach ($param as $key => $value) {

			if ($value) {

				$url .= "$key=".urlencode($value)."&";

				$key != 'desc' && $arg .= "$key=$value&";

			}

		}

		$url .= 'sign=' . strtoupper(md5($arg . 'key=' . $tenpayKey));

		return $url;

	}

}